Pfizer, Bristol revive cancer drugs that rev up immune system

NEW YORK (Reuters) - Some of the most heralded new cancer drugs fight the disease by removing brakes on the immune system. Now a few leading drugmakers are paying attention to a second, opposing force: medicines that accelerate the immune system’s attack. Pfizer Inc, which is lagging rivals in the lucrative field of cancer immunotherapies, has been the first to report early data of an “accelerator

[frothmouth]

“Pfizer, Bristol revive cancer drugs that rev up immune system”